* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

nav ul {
    display: flex;
    list-style: none;
    background-color: #333;
    padding: 1rem;
}

nav ul li {
    margin-right: 1rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
}

nav ul li a:hover {
    text-decoration: underline;
}

main {
    padding: 2rem;
}

.card {
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 1rem;
    margin-bottom: 1rem;
    width: 300px;
}

.card img {
    width: 100%;
    height: auto;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem;
    position: relative;
}

#backToTop {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 0.5rem 1rem;
    background-color: #555;
    color: white;
    border: none;
    cursor: pointer;
}

form {
    display: flex;
    flex-direction: column;
    max-width: 300px;
}

form input, form button {
    margin-bottom: 1rem;
    padding: 0.5rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    padding: 0.5rem;
    text-align: left;
}

#chart-container {
    margin-top: 2rem;
}
